R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 752
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 14 16-Bit Timer Pulse Unit (TPU)
14.4.4
In cascaded operation, two 16-bit counters for different channels are used together as a 32-bit
counter.
This function works by counting the channel 1 (channel 4) counter clock at overflow/underflow of
TCNT_2 (TCNT_5) as set in bits TPSC2 to TPSC0 in TCR.
Underflow occurs only when the lower 16-bit TCNT is in phase-counting mode.
Table 14.30 shows the register combinations used in cascaded operation.
Note: When phase counting mode is set for channel 1 or 4, the counter clock setting is invalid
Table 14.30 Cascaded Combinations
(1)
Figure 14.17 shows an example of the setting procedure for cascaded operation.
Rev. 1.00 Jan. 29, 2010 Page 720 of 1380
REJ09B0596-0100
Combination
Channels 1 and 2
Channels 4 and 5
Example of Cascaded Operation Setting Procedure
and the counter operates independently in phase counting mode.
Cascaded Operation
<Cascaded operation>
Cascaded operation
Figure 14.17 Cascaded Operation Setting Procedure
Set cascading
Start count
Upper 16 Bits
TCNT_1
TCNT_4
[1]
[2]
[1]
[2]
Set bits TPSC2 to TPSC0 in the channel 1
(channel 4) TCR to B'1111 to select TCNT_2
(TCNT_5) overflow/underflow counting.
Set the CST bit in TSTR for the upper and lower
channels to 1 to start the count operation.
Lower 16 Bits
TCNT_2
TCNT_5
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